Team Wiki's
Chassis
Contents
1. What is a chassis?
2. Types of chassis
2.1. Ladder chassis
2.2. Box/Four Tubes chassis
3. Roll Hoops
3.1 Front Roll Hoop
3.1.1. Rules
3.2 Main Hoop
3.2.1. Rules
3.3 Bracing
4. Front Bulkhead
4.1. What is it?
4.2. Materials
4.3. Front bulkhead support
4.4 Rules related constraints
5. Side impact supports
6. Impact attenuator
6.1 What is it?
6.2 Related rules constraints
6.3 Design
7. Materials
7.1 Related rules constraints
7.2 T45
7.2.1. Applications
7.2.2. Key features
7.2.3. Availability
7.2.4. Heat treatment
7.2.5. Mechanical properties
7.3 Chrome Molybdenum
7.3.1. Applications
7.3.2. Key features
7.3.3. Availability
7.3.4. Heat treatment
7.3.5. Mechanical properties
7.4 Comparison of materials
8. Design
8.1 Goals
8.2 Torsional rigidity
8.3 Calculating torsional rigidity
8.4 Loads acting on the chassis
9. Testing
10. Manufacturing
10.1 General
10.2 Chassis jig
10.3 MIG welding
10.4 TIG welding
10.5 Brazing
11.Floor
11.1 Materials
12. Tabs
Drivetrain
Contents
1. Rules
1.1 Fasteners
2. The Drive Axle
2.1 Types
2.2 Fixed Axle
2.3 Half Shaft Axle
3. Constant Velocity (CV) Joints
3.1 Purpose
3.2 Tripod Joints
3.3 Rzeppa Joints
3.4 Boots
3.5 Lubricants/Grease
3.6 Parts Lists & Catalogues
4. Spool and Differential
4.1 What is a Spool?
5. Bearings
5.1 What are bearings?
5.2 Bearing Selection
6. Sprockets
7. Drive Calculations
8. Gear Changing Systems
8.1 Purpose
8.2 Mechanical
8.3 Pneumatic
8.4 Electronic
9. Chain Tensioners
9.1 Purpose
9.2 Automatic Solutions
9.3 Manual Solutions
10. Brake mounts
10.1 Current Design
10.2 Brake Disc
10.3 Brake Calliper
11. TLDR Resources
11.1 Research Papers
Electronics
Contents
1. EMS (engine management system)
1.1 Context
1.2 ECU
1.3 ECU INPUTS
1.4 ECU OUTPUTS
2. Data management system
2.1 Serial communication
2.2 Coms code guide
2.4 arduino to speeduino comms
2.5 RPM Bar display
3. Safety shutdown system
4. Display
4.1 Essential Display Systems
4.2 Seven Segment
4.3 Coolant, Engine & Oil Indicators
4.4 Switches
Ergonomics
Contents
1. Brakes
1.1 Wheel lock
1.2 Unsprung mass
1.3 Rotating mass
1.4 Calipers
1.5 Pads
1.6 Rotor
1.7 Master Cylinder
1.8 Hydraulics
1.9 Lines
1.10 Electronics
1.11 Heat
2. Pedal Box
2.1Pedal Ratio
2.2 Master cylinder mount
2.3 Adjustability
3. Hubs
3.1 Wheel fastening
3.2 Spigot
3.4 Hub fastening
4. Steering
4.1 Steering wheel
4.2 Quick release
4.3 Column
4.5 Universal joiner
4.6 Rack
4.7 Tie rods
4.8 Geometry
4.9 Ackerman
5. Cockpit
5.1 Percy
5.2 Ergonomics Rig
5.3 Templates
5.4 Rules
6. General Rules
Suspension
Contents
1. Tyres
1.1 Slip angle
1.2 Slip Ratio
1.3 Traction circle
1.4 Radial vs Bias Ply
2. Some Vehicle Dynamics
2.1. Understeer and oversteer (U/S & O/S)
2.2. Unsprung and sprung mass
2.3. Vehicle axis system – SAE
2.4. Tire Axis System
2.5. Bump & Droop
3. Rules
3.1 Wheelbase (T2.3)
3.2 Vehicle track (T2.4)
3.3 Driver’s Leg Protection (T5.8)
3.4 Suspension (T6.1)
3.5 Wheels (T6.3)
3.6 Tires (T6.4)
3.7 Rollover stability (T6.7)
4. A – Geometry Part 1 – Jargon and Concepts
4.1. Camber
4.2. Caster
4.3. King Pin Inclination & Scrub Radius
4.4 Toe
4.5 Bump steer
4.6 Ackerman
4.7 Instantaneous Centre and Roll Centre
4.8 Anti Dive and anti squat
B – Geometry Part 2 – Design and Optimization
4.9 Packaging
4.10 Line diagrams
4.11 Optimization
5. Suspension Types
5.1 Macpherson Strut
5.2 SLA suspensions
5.2.1 Push rod
5.2.2 Pull rod
5.2.3 Direct acting
6. Anti roll bars
6.1 Principles of Anti-roll bars
6.2 Adjustable Anti-roll bars
6.3 ARB Video
7. Springs
7.1 Spring rate
7.2 Motion ratio
7.3 Wheel rate
7.4 Ride rates
7.5 Coil over video
8. Dampers
8.1 Types of constructions
8.2 Damping ratio
8.3 High and low speed damping
8.4 Rebound vs bump damping
8.5 Tuning U/S O/S
9. A arms
9.1 Avoiding REIB
9.2 Buckling
9.3 Materials
9.4 Jigs
10. Uprights
10.1 Assembly overview
10.2 Forces
10.3 FEA model
Aerodynamics Wiki Coming Soon . . .
Powertrain
Contents
1 – Introduction
1.1 What is Powertrain?
1.2 FSAE rules & restrictions
1.3 RICARDO software
2 – The Engine
2.1 The 4 stroke cycle
2.2 Triumph Daytona 675 Specs explained
2.3 The basic parts of the engine
2.4 Engine mounting
2.5 Engine testing
3 – Intake
3.1 How it works
3.2 Throttle and restrictor
3.3 Plenum
3.4 Runners
3.5 Manufacturing
4 – Exhaust
4.1 How it works
4.2 Manufacturing
4.3 Muffler & noise test
4.4 Tuning
4.5 Turbocharging
5 – Cooling System
5.1 Why cooling is important
5.2 How it works
5.3 Radiator
6 – Lubrication
6.1 Wet sump vs Dry sump
7 – Fuel System
7.1 Return vs Returnless system
7.2 Fuel tank
7.3 Fuel pump
8 – Ricardo
Powertrain Wiki8.1 How To;
Autonomous Wiki Coming Soon . . .
Suspension Wiki
Contents
1. Tyres
1.1 Slip angle
1.2 Slip Ratio
1.3 Traction circle
1.4 Radial vs Bias Ply
2. Some Vehicle Dynamics
2.1. Understeer and oversteer (U/S & O/S)
2.2. Unsprung and sprung mass
2.3. Vehicle axis system – SAE
2.4. Tire Axis System
2.5. Bump & Droop
3. Rules
3.1 Wheelbase (T2.3)
3.2 Vehicle track (T2.4)
3.3 Driver’s Leg Protection (T5.8)
3.4 Suspension (T6.1)
3.5 Wheels (T6.3)
3.6 Tires (T6.4)
3.7 Rollover stability (T6.7)
4. A – Geometry Part 1 – Jargon and Concepts
4.1. Camber
4.2. Caster
4.3. King Pin Inclination & Scrub Radius
4.4 Toe
4.5 Bump steer
4.6 Ackerman
4.7 Instantaneous Centre and Roll Centre
4.8 Anti Dive and anti squat
B – Geometry Part 2 – Design and Optimization
4.9 Packaging
4.10 Line diagrams
4.11 Optimization
5. Suspension Types
5.1 Macpherson Strut
5.2 SLA suspensions
5.2.1 Push rod
5.2.2 Pull rod
5.2.3 Direct acting
6. Anti roll bars
6.1 Principles of Anti-roll bars
6.2 Adjustable Anti-roll bars
6.3 ARB Video
7. Springs
7.1 Spring rate
7.2 Motion ratio
7.3 Wheel rate
7.4 Ride rates
7.5 Coil over video
8. Dampers
8.1 Types of constructions
8.2 Damping ratio
8.3 High and low speed damping
8.4 Rebound vs bump damping
8.5 Tuning U/S O/S
9. A arms
9.1 Avoiding REIB
9.2 Buckling
9.3 Materials
9.4 Jigs
10. Uprights
10.1 Assembly overview
10.2 Forces
10.3 FEA model
Suspension Wiki
Contents
1. Tyres
1.1 Slip angle
1.2 Slip Ratio
1.3 Traction circle
1.4 Radial vs Bias Ply
2. Some Vehicle Dynamics
2.1. Understeer and oversteer (U/S & O/S)
2.2. Unsprung and sprung mass
2.3. Vehicle axis system – SAE
2.4. Tire Axis System
2.5. Bump & Droop
3. Rules
3.1 Wheelbase (T2.3)
3.2 Vehicle track (T2.4)
3.3 Driver’s Leg Protection (T5.8)
3.4 Suspension (T6.1)
3.5 Wheels (T6.3)
3.6 Tires (T6.4)
3.7 Rollover stability (T6.7)
4. A – Geometry Part 1 – Jargon and Concepts
4.1. Camber
4.2. Caster
4.3. King Pin Inclination & Scrub Radius
4.4 Toe
4.5 Bump steer
4.6 Ackerman
4.7 Instantaneous Centre and Roll Centre
4.8 Anti Dive and anti squat
B – Geometry Part 2 – Design and Optimization
4.9 Packaging
4.10 Line diagrams
4.11 Optimization
5. Suspension Types
5.1 Macpherson Strut
5.2 SLA suspensions
5.2.1 Push rod
5.2.2 Pull rod
5.2.3 Direct acting
6. Anti roll bars
6.1 Principles of Anti-roll bars
6.2 Adjustable Anti-roll bars
6.3 ARB Video
7. Springs
7.1 Spring rate
7.2 Motion ratio
7.3 Wheel rate
7.4 Ride rates
7.5 Coil over video
8. Dampers
8.1 Types of constructions
8.2 Damping ratio
8.3 High and low speed damping
8.4 Rebound vs bump damping
8.5 Tuning U/S O/S
9. A arms
9.1 Avoiding REIB
9.2 Buckling
9.3 Materials
9.4 Jigs
10. Uprights
10.1 Assembly overview
10.2 Forces
10.3 FEA model
Suspension Wiki
Contents
1. Tyres
1.1 Slip angle
1.2 Slip Ratio
1.3 Traction circle
1.4 Radial vs Bias Ply
2. Some Vehicle Dynamics
2.1. Understeer and oversteer (U/S & O/S)
2.2. Unsprung and sprung mass
2.3. Vehicle axis system – SAE
2.4. Tire Axis System
2.5. Bump & Droop
3. Rules
3.1 Wheelbase (T2.3)
3.2 Vehicle track (T2.4)
3.3 Driver’s Leg Protection (T5.8)
3.4 Suspension (T6.1)
3.5 Wheels (T6.3)
3.6 Tires (T6.4)
3.7 Rollover stability (T6.7)
4. A – Geometry Part 1 – Jargon and Concepts
4.1. Camber
4.2. Caster
4.3. King Pin Inclination & Scrub Radius
4.4 Toe
4.5 Bump steer
4.6 Ackerman
4.7 Instantaneous Centre and Roll Centre
4.8 Anti Dive and anti squat
B – Geometry Part 2 – Design and Optimization
4.9 Packaging
4.10 Line diagrams
4.11 Optimization
5. Suspension Types
5.1 Macpherson Strut
5.2 SLA suspensions
5.2.1 Push rod
5.2.2 Pull rod
5.2.3 Direct acting
6. Anti roll bars
6.1 Principles of Anti-roll bars
6.2 Adjustable Anti-roll bars
6.3 ARB Video
7. Springs
7.1 Spring rate
7.2 Motion ratio
7.3 Wheel rate
7.4 Ride rates
7.5 Coil over video
8. Dampers
8.1 Types of constructions
8.2 Damping ratio
8.3 High and low speed damping
8.4 Rebound vs bump damping
8.5 Tuning U/S O/S
9. A arms
9.1 Avoiding REIB
9.2 Buckling
9.3 Materials
9.4 Jigs
10. Uprights
10.1 Assembly overview
10.2 Forces
10.3 FEA model
Suspension Wiki
Contents
1. Tyres
1.1 Slip angle
1.2 Slip Ratio
1.3 Traction circle
1.4 Radial vs Bias Ply
2. Some Vehicle Dynamics
2.1. Understeer and oversteer (U/S & O/S)
2.2. Unsprung and sprung mass
2.3. Vehicle axis system – SAE
2.4. Tire Axis System
2.5. Bump & Droop
3. Rules
3.1 Wheelbase (T2.3)
3.2 Vehicle track (T2.4)
3.3 Driver’s Leg Protection (T5.8)
3.4 Suspension (T6.1)
3.5 Wheels (T6.3)
3.6 Tires (T6.4)
3.7 Rollover stability (T6.7)
4. A – Geometry Part 1 – Jargon and Concepts
4.1. Camber
4.2. Caster
4.3. King Pin Inclination & Scrub Radius
4.4 Toe
4.5 Bump steer
4.6 Ackerman
4.7 Instantaneous Centre and Roll Centre
4.8 Anti Dive and anti squat
B – Geometry Part 2 – Design and Optimization
4.9 Packaging
4.10 Line diagrams
4.11 Optimization
5. Suspension Types
5.1 Macpherson Strut
5.2 SLA suspensions
5.2.1 Push rod
5.2.2 Pull rod
5.2.3 Direct acting
6. Anti roll bars
6.1 Principles of Anti-roll bars
6.2 Adjustable Anti-roll bars
6.3 ARB Video
7. Springs
7.1 Spring rate
7.2 Motion ratio
7.3 Wheel rate
7.4 Ride rates
7.5 Coil over video
8. Dampers
8.1 Types of constructions
8.2 Damping ratio
8.3 High and low speed damping
8.4 Rebound vs bump damping
8.5 Tuning U/S O/S
9. A arms
9.1 Avoiding REIB
9.2 Buckling
9.3 Materials
9.4 Jigs
10. Uprights
10.1 Assembly overview
10.2 Forces
10.3 FEA model
Suspension Wiki
Contents
1. Tyres
1.1 Slip angle
1.2 Slip Ratio
1.3 Traction circle
1.4 Radial vs Bias Ply
2. Some Vehicle Dynamics
2.1. Understeer and oversteer (U/S & O/S)
2.2. Unsprung and sprung mass
2.3. Vehicle axis system – SAE
2.4. Tire Axis System
2.5. Bump & Droop
3. Rules
3.1 Wheelbase (T2.3)
3.2 Vehicle track (T2.4)
3.3 Driver’s Leg Protection (T5.8)
3.4 Suspension (T6.1)
3.5 Wheels (T6.3)
3.6 Tires (T6.4)
3.7 Rollover stability (T6.7)
4. A – Geometry Part 1 – Jargon and Concepts
4.1. Camber
4.2. Caster
4.3. King Pin Inclination & Scrub Radius
4.4 Toe
4.5 Bump steer
4.6 Ackerman
4.7 Instantaneous Centre and Roll Centre
4.8 Anti Dive and anti squat
B – Geometry Part 2 – Design and Optimization
4.9 Packaging
4.10 Line diagrams
4.11 Optimization
5. Suspension Types
5.1 Macpherson Strut
5.2 SLA suspensions
5.2.1 Push rod
5.2.2 Pull rod
5.2.3 Direct acting
6. Anti roll bars
6.1 Principles of Anti-roll bars
6.2 Adjustable Anti-roll bars
6.3 ARB Video
7. Springs
7.1 Spring rate
7.2 Motion ratio
7.3 Wheel rate
7.4 Ride rates
7.5 Coil over video
8. Dampers
8.1 Types of constructions
8.2 Damping ratio
8.3 High and low speed damping
8.4 Rebound vs bump damping
8.5 Tuning U/S O/S
9. A arms
9.1 Avoiding REIB
9.2 Buckling
9.3 Materials
9.4 Jigs
10. Uprights
10.1 Assembly overview
10.2 Forces
10.3 FEA model
Suspension Wiki
Contents
1. Tyres
1.1 Slip angle
1.2 Slip Ratio
1.3 Traction circle
1.4 Radial vs Bias Ply
2. Some Vehicle Dynamics
2.1. Understeer and oversteer (U/S & O/S)
2.2. Unsprung and sprung mass
2.3. Vehicle axis system – SAE
2.4. Tire Axis System
2.5. Bump & Droop
3. Rules
3.1 Wheelbase (T2.3)
3.2 Vehicle track (T2.4)
3.3 Driver’s Leg Protection (T5.8)
3.4 Suspension (T6.1)
3.5 Wheels (T6.3)
3.6 Tires (T6.4)
3.7 Rollover stability (T6.7)
4. A – Geometry Part 1 – Jargon and Concepts
4.1. Camber
4.2. Caster
4.3. King Pin Inclination & Scrub Radius
4.4 Toe
4.5 Bump steer
4.6 Ackerman
4.7 Instantaneous Centre and Roll Centre
4.8 Anti Dive and anti squat
B – Geometry Part 2 – Design and Optimization
4.9 Packaging
4.10 Line diagrams
4.11 Optimization
5. Suspension Types
5.1 Macpherson Strut
5.2 SLA suspensions
5.2.1 Push rod
5.2.2 Pull rod
5.2.3 Direct acting
6. Anti roll bars
6.1 Principles of Anti-roll bars
6.2 Adjustable Anti-roll bars
6.3 ARB Video
7. Springs
7.1 Spring rate
7.2 Motion ratio
7.3 Wheel rate
7.4 Ride rates
7.5 Coil over video
8. Dampers
8.1 Types of constructions
8.2 Damping ratio
8.3 High and low speed damping
8.4 Rebound vs bump damping
8.5 Tuning U/S O/S
9. A arms
9.1 Avoiding REIB
9.2 Buckling
9.3 Materials
9.4 Jigs
10. Uprights
10.1 Assembly overview
10.2 Forces
10.3 FEA model
Suspension Wiki
Contents
1. Tyres
1.1 Slip angle
1.2 Slip Ratio
1.3 Traction circle
1.4 Radial vs Bias Ply
2. Some Vehicle Dynamics
2.1. Understeer and oversteer (U/S & O/S)
2.2. Unsprung and sprung mass
2.3. Vehicle axis system – SAE
2.4. Tire Axis System
2.5. Bump & Droop
3. Rules
3.1 Wheelbase (T2.3)
3.2 Vehicle track (T2.4)
3.3 Driver’s Leg Protection (T5.8)
3.4 Suspension (T6.1)
3.5 Wheels (T6.3)
3.6 Tires (T6.4)
3.7 Rollover stability (T6.7)
4. A – Geometry Part 1 – Jargon and Concepts
4.1. Camber
4.2. Caster
4.3. King Pin Inclination & Scrub Radius
4.4 Toe
4.5 Bump steer
4.6 Ackerman
4.7 Instantaneous Centre and Roll Centre
4.8 Anti Dive and anti squat
B – Geometry Part 2 – Design and Optimization
4.9 Packaging
4.10 Line diagrams
4.11 Optimization
5. Suspension Types
5.1 Macpherson Strut
5.2 SLA suspensions
5.2.1 Push rod
5.2.2 Pull rod
5.2.3 Direct acting
6. Anti roll bars
6.1 Principles of Anti-roll bars
6.2 Adjustable Anti-roll bars
6.3 ARB Video
7. Springs
7.1 Spring rate
7.2 Motion ratio
7.3 Wheel rate
7.4 Ride rates
7.5 Coil over video
8. Dampers
8.1 Types of constructions
8.2 Damping ratio
8.3 High and low speed damping
8.4 Rebound vs bump damping
8.5 Tuning U/S O/S
9. A arms
9.1 Avoiding REIB
9.2 Buckling
9.3 Materials
9.4 Jigs
10. Uprights
10.1 Assembly overview
10.2 Forces
10.3 FEA model
Suspension Wiki
Contents
1. Tyres
1.1 Slip angle
1.2 Slip Ratio
1.3 Traction circle
1.4 Radial vs Bias Ply
2. Some Vehicle Dynamics
2.1. Understeer and oversteer (U/S & O/S)
2.2. Unsprung and sprung mass
2.3. Vehicle axis system – SAE
2.4. Tire Axis System
2.5. Bump & Droop
3. Rules
3.1 Wheelbase (T2.3)
3.2 Vehicle track (T2.4)
3.3 Driver’s Leg Protection (T5.8)
3.4 Suspension (T6.1)
3.5 Wheels (T6.3)
3.6 Tires (T6.4)
3.7 Rollover stability (T6.7)
4. A – Geometry Part 1 – Jargon and Concepts
4.1. Camber
4.2. Caster
4.3. King Pin Inclination & Scrub Radius
4.4 Toe
4.5 Bump steer
4.6 Ackerman
4.7 Instantaneous Centre and Roll Centre
4.8 Anti Dive and anti squat
B – Geometry Part 2 – Design and Optimization
4.9 Packaging
4.10 Line diagrams
4.11 Optimization
5. Suspension Types
5.1 Macpherson Strut
5.2 SLA suspensions
5.2.1 Push rod
5.2.2 Pull rod
5.2.3 Direct acting
6. Anti roll bars
6.1 Principles of Anti-roll bars
6.2 Adjustable Anti-roll bars
6.3 ARB Video
7. Springs
7.1 Spring rate
7.2 Motion ratio
7.3 Wheel rate
7.4 Ride rates
7.5 Coil over video
8. Dampers
8.1 Types of constructions
8.2 Damping ratio
8.3 High and low speed damping
8.4 Rebound vs bump damping
8.5 Tuning U/S O/S
9. A arms
9.1 Avoiding REIB
9.2 Buckling
9.3 Materials
9.4 Jigs
10. Uprights
10.1 Assembly overview
10.2 Forces
10.3 FEA model
